Because who doesn't want to see Tomy Lee-Jones and Will Smith in action? let alone we control them in the effort to defend our earth from alien's threat.
You'll given a tough jobs, your responsible is wider in Men In Black 3. Because you as agent J or K (Smith and his partner Jones), will be running the MIB agency, in order to protect human using the provided gadgets or weapons from those vicious and unwanted aliens.
A side of that, you are responsible of your agents. Train them, then send them to certain missions in a real tactical battle.
Eager to play Men In Black 3? Download it based on your OS model.